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The variable “hybrid” PG 1159 star HS 2324+3944

Published online by Cambridge University Press:  25 May 2016

G. Handler ,
A. Kanaan  and
M. H. Montgomery
G. Handler
Affiliation:
1Institut für Astronomie, Universität Wien
A. Kanaan
Affiliation:
2Dept. of Astronomy and McDonald Observatory, University of Texas 3Instituto de Fisica, Univ. Federal do Rio Grande do Sul
M. H. Montgomery
Affiliation:
2Dept. of Astronomy and McDonald Observatory, University of Texas

Extract

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HS 2324+3944 is one of only four “hybrid” PG 1159 stars. The latter objects are a subgroup of DO white dwarfs. The spectra of “hybrids” show an He ii/C iv absorption trough similar to the “classical” PG 1159 stars, but also strong Balmer lines (Napiwotzki & Schönberner 1991).

Type
III. Central Stars
Information
Symposium - International Astronomical Union , Volume 180: Planetary Nebulae , 1997 , pp. 110
Copyright
Copyright © Kluwer 1997 

References

Napiwotzki, R., Schönberner, D., 1991, A&A 249, L16.Google Scholar
Silvotti, R., 1995, IBVS 4265.Google Scholar
Silvotti, R., 1996, A&A 309, L23.Google Scholar
Stanghellini, L., Cox, A. N., Starrfield, S. G., 1991, ApJ 383, 766.Google Scholar